Device-Distributed Machine Learning
on Wednesday, July 8, 2020
Snapchat uses machine learning to power many features across the app - from sophisticated lenses, to serving relevant and interesting Discover content, to returning relevant search results, to security architecture that keeps our community safe.
Making The Most of a Rewrite
on Wednesday, June 24, 2020
As Part 1 of this series highlights, over time, Snapchat grew to be a complex app with dozens of large and disjointed features. As our app grew, we saw each feature fighting for resources in a spiraling “tragedy of the commons," resulting in a sluggish experience across much of the app. Too many features were running too much work at app startup time so they could load a bit faster if and when they are used. While this may help a particular feature load faster, every other feature loads slower as a result.
Kindness in engineering
on Wednesday, May 20, 2020
At Snap, we believe that kindness is at the heart of engineering: we place a high value on integrity, craftsmanship, and collaboration in all of our work. We also recognize that kindness without courage is not always enough: successful companies should foster healthy internal debate, driving positive change.
Don't Rewrite Your App, Unless You Have To
on Thursday, May 7, 2020
Rewrites can have positive results, but they are challenging. In order to develop our strategy, we researched our app’s performance thoroughly before starting. Once we began, a tremendous amount of coordination and support was needed to keep the project on track, and we used and tested our new app from early on to keep the quality high. In this post, we outline some of our decision making processes and lessons learned from the experience.
From Monolith to Multicloud Micro-Services: Inside Snap’s Service Mesh
on Wednesday, March 4, 2020
Snap Engineering has evolved the way our cloud infrastructure is built, from running a monolith inside of Google App Engine to microservices running in Kubernetes across both Amazon Web Services and Google Cloud.
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